Barony de Grave
The Barony of de Grave is a well-established title with its historic seat at Copperdene, Wiltshire.
Title holders
- 16th Baron de Grave: George Grenfell [d 1805]
- 17th Baron de Grave: George Grey Grenfell [d 1808]
- 18th Baron de Grave: Leander Grenfell [d 1809]
- 19th Baron de Grave Robin Grenfell [born 1808]